1/* SPDX-License-Identifier: GPL-2.0+ */ 2/* 3 * (C) Copyright 2010-2012 4 * NVIDIA Corporation <www.nvidia.com> 5 */ 6 7#ifndef _TEGRA_COMMON_H_ 8#define _TEGRA_COMMON_H_ 9#include <linux/sizes.h> 10#include <linux/stringify.h> 11 12/* 13 * High Level Configuration Options 14 */ 15#define CONFIG_SYS_L2CACHE_OFF /* No L2 cache */ 16 17#include <asm/arch/tegra.h> /* get chip and board defs */ 18 19/* Use the Tegra US timer on ARMv7, but the architected timer on ARMv8. */ 20#ifndef CONFIG_ARM64 21#define CONFIG_SYS_TIMER_RATE 1000000 22#define CONFIG_SYS_TIMER_COUNTER NV_PA_TMRUS_BASE 23#endif 24 25#define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */ 26 27/* Environment */ 28 29/* 30 * NS16550 Configuration 31 */ 32#define CONFIG_SYS_NS16550_CLK V_NS16550_CLK 33 34/* 35 * Common HW configuration. 36 * If this varies between SoCs later, move to tegraNN-common.h 37 * Note: This is number of devices, not max device ID. 38 */ 39#define CONFIG_SYS_MMC_MAX_DEVICE 4 40 41/* allow to overwrite serial and ethaddr */ 42#define CONFIG_ENV_OVERWRITE 43 44/* 45 * Increasing the size of the IO buffer as default nfsargs size is more 46 * than 256 and so it is not possible to edit it 47 */ 48#define CONFIG_SYS_CBSIZE (1024 * 2) /* Console I/O Buffer Size */ 49/* Print Buffer Size */ 50#define CONFIG_SYS_MAXARGS 64 /* max number of command args */ 51 52/* Boot Argument Buffer Size */ 53#define CONFIG_SYS_BARGSIZE (CONFIG_SYS_CBSIZE) 54 55#define CONFIG_SYS_MEMTEST_START (NV_PA_SDRC_CS0 + 0x600000) 56#define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_MEMTEST_START + 0x100000) 57 58/*----------------------------------------------------------------------- 59 * Physical Memory Map 60 */ 61#define PHYS_SDRAM_1 NV_PA_SDRC_CS0 62#define PHYS_SDRAM_1_SIZE 0x20000000 /* 512M */ 63 64#define CONFIG_SYS_UBOOT_START CONFIG_SYS_TEXT_BASE 65#define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1 66 67#define CONFIG_SYS_BOOTMAPSZ (256 << 20) /* 256M */ 68 69#ifndef CONFIG_ARM64 70#define CONFIG_SYS_INIT_RAM_ADDR CONFIG_STACKBASE 71#define CONFIG_SYS_INIT_RAM_SIZE CONFIG_SYS_MALLOC_LEN 72#define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_INIT_RAM_ADDR + \ 73 CONFIG_SYS_INIT_RAM_SIZE - \ 74 GENERATED_GBL_DATA_SIZE) 75#endif 76 77#ifndef CONFIG_ARM64 78/* Defines for SPL */ 79#define CONFIG_SPL_MAX_FOOTPRINT (CONFIG_SYS_TEXT_BASE - \ 80 CONFIG_SPL_TEXT_BASE) 81#define CONFIG_SYS_SPL_MALLOC_SIZE 0x00010000 82#endif 83 84#endif /* _TEGRA_COMMON_H_ */ 85